The Collaborative International Dictionary
Tern leaves
Tern \Tern\, a. [L. pl. terni three each, three; akin to tres three. See Three, and cf. Trine.] Threefold; triple; consisting of three; ternate.
Tern flowers (Bot.), flowers growing three and three together.
Tern leaves (Bot.), leaves arranged in threes, or three by three, or having three in each whorl or set.
Tern peduncles (Bot.), three peduncles growing together from the same axis.
Tern schooner (Naut.), a three-masted schooner.